S-90417A113 Length 3/8" Tapping Screws

Key Features & Benefits at a Glance

• Superior holding power in plastic with TRS thread forming design that eliminates the need for pre-drilling and reduces assembly time
• Enhanced corrosion resistance thanks to Black-Oxide Steel finish, ensuring longevity in various industrial environments
• Optimal torque transmission with Phillips No. 1 drive, minimizing cam-out and improving installation efficiency
• Secure, vibration-resistant fastening due to the Tri-Lobe shank cross-section that prevents loosening in plastic materials
• Full threading for maximum grip across the entire 3/8" length, providing consistent clamping force in plastic assemblies
• Broad compatibility with standard No. 43 drill bits (0.089" diameter), simplifying integration into existing processes
• Compliance with global regulations including RoHS 3 and REACH, making them safe for international industrial use

Professional Applications & Engineering Value

This TRS thread forming screw is specifically engineered for plastic applications, where traditional fasteners often strip threads or require additional components. The Black-Oxide Steel material offers excellent durability against moisture and wear, while the Tri-Lobe shank design displaces plastic material during installation to form strong, permanent threads without creating chips. This eliminates the risk of contamination in sensitive assemblies like electronics enclosures, automotive trim, or consumer products. The Phillips pan head provides a low-profile, flush finish that enhances aesthetics and safety. By combining thread forming technology with high-strength steel, these screws reduce the need for inserts and improve reliability in plastic fastening projects, cutting down on production costs and failure rates.

Specification Summary & Compliance

This screw features a No. 3 size with 3/8" length and precise 0.099" thread diameter at 24 threads per inch, ensuring consistent performance in inch-based systems. It adheres to standard thread forming (TRS) specifications for plastic materials, with a fully threaded design and blunt tip for controlled insertion. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming the absence of hazardous substances and supporting use in regulated industrial and consumer applications worldwide.